King Arms 40 Round Magazine for WA Gas Blowback Rifles H&K Airsoft Guns Mounts on all standard top

Mounts on all standard top gun rails

4v LiPo batteries (nun-chuck or stick style)

Fully licensed by Colt

Renowned in the airsoft community for their upgrade parts

King Arms 40 Round Magazine for WA Gas Blowback Rifles H&K Airsoft Guns Mounts on all standard topFeatures Compatible with King Arms, Western Arms and other compatible M4 M16 GBB rifles 40 round capacity Durable metal alloy shell Lockback feature locks bolt open after last shot on compatible guns Realistic matte grey finish Manufacturer: King Arms Specifications: Color: Grey Compatibility: King Arms, Western Arms and other compatible M4 M16 GBB Airsoft rifles Capacity: 40 rounds Gas Type: Green gas propane